Hearing Aid Battery Testers with Spare Battery Storage Compartment (Blue)

Price: $8.60 $7.90
Product prices and availability are accurate as of 2022-07-31 22:06:24 UTC and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.
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Availability: In Stock
In Stock.

Product Features

Digital Display indicates battery strength. Works with most size of hearing aid battery. Storage compartment for 2 extra batteries. No batteries required for operation. If we take the battery out , the voltage would be rebound . Please note , the rebound voltage is false electricity . If you test the battery on the battery tester , it would show full voltage . But in fact , it is not enough for using hearing aids .